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6-461.2 October, 2014 WIRING DIAGRAMS gas-fired, power vented and separated combustion unit heaters for models HD/HDB, HDS/HDC, PTP, PTS/BTS, PTC/BTC WARNING 1. Fuel supply shall be shut-off and the electrical power disconnected before proceeding with the installation. Failure to do so could result in fire, explosion, electrical shock, or the unit starting suddenly resulting in injury. 2. All units must be wired strictly in accordance with wiring diagram furnished with the unit. Failure to wire this unit according to this wiring diagram could result in a hazard to persons and property. For deviations, contact the factory. 3. All wiring must be done with a wiring material having a temperature rating of at least 105°C. IMPORTANT 1. The use of this manual is specifically intended for a qualified installation and service agency. All installation and service of these kits must be performed by a qualified installation and service agency. 2. These instructions must also be used in conjunction with the Installation and Service manual originally shipped with the appliance being converted, in addition to any other accompanying component supplier literature which supersedes these instructions. Diagram Selection Diagrams are provided for both single and three-phase circuits, and are readily identified in the selection table on page 2. The selection table enables easy selection of the correct wiring diagram after the electrical components of the unit heater have been determined. Abbreviations and Symbols To facilitate interpretation and enable simplification the abbreviations and symbols have been selected as recommended by ANSI (American National Standards Institute) and NEMA (National Electrical Manufacturers Association) standards. XFMR or TR H1, H2, etc. X1, X2, etc. V Hz ø RC G H SW HI LO C “J” Box S/W O.L.C. SPDT DPDT VA L1, L2, L3 T1, T2, T3 Transformer Transformer Primary Terminals Transformer Secondary Terminals Volts Hertz Phase Relay Contactor Coil Ground Hot Switch High Low Common Junction Box Summer/Winter Switch Overload Contacts Single Pole Double Throw Switch Double Pole Double Throw Switch Volt-Ampere Load Terminals (Connect to Supply Voltage) Motor or Motor Starter Terminals Wire Color Coding BK Black BR Brown BL Blue R Red W White GY Gray Y Yellow NOTE: As indicated in every diagram, all wiring must comply with the National Electrical Code and all local codes. All components must agree with their respective power source. THIS MANUAL IS THE PROPERTY OF THE OWNER. PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB. Modine Manufacturing Company has a continuous product improvement program, and therefore reserves the right to change design and specifications without notice. WIRING DIAGRAM – SELECTION Select the correct wiring diagram as follows: 1. 2. Determine the 16 digit unit heater model number. Example: PTS350SS0122SBAN Breakdown the model number into the following parts (using the above example): a. Model: PTS b. Size : 350 c. Power Code: 01 d. Control Code: 22 e. Factory Option: N Review the model number breakdown against Table 2.1 to select the correct wiring diagram. For the example in Step 2 above, the correct wiring diagram is located on page 6. Review Table 2.2 to determine if any additional wiring diagrams are necessary based on accessories included. 3. 4. Table 2.1 – Unit Heater Wiring Diagram Page Location Index Propeller Type Model Size Power Code Supply Voltage HD/HDS 30-125 01 115V/1ph 150-350 PTC HDB/HDC Blower 01 115V/1ph PTP/PTS Control Code 11 or 21 Single Stage Wiring Diagram 5H0799630001 12 or 22 Two Stage 5H0799630002 4 11 or 21 Single Stage 5H0799630001 3 Gas Controls Page 3 12 or 22 Two Stage 5H0799630002 4 11 or 21 Single Stage 5H0799630003 5 400 01 115V/1ph 12 or 22 Two Stage 5H0799630004 6 55-215 01 115V/1ph 11 or 21 Single Stage 5H0807160001 11 260-310 01 115V/1ph 11 or 21 Single Stage 5H0807160002 12 11 or 21 Single Stage 5H0799630001 3 12 or 22 Two Stage 5H0799630002 4 11 or 21 Single Stage 5H0799630001 3 12 or 22 Two Stage 5H0799630002 4 11 or 21 Single Stage 5H0802730001 7 60-125 01 115V/1ph 150 01 115V/1ph 02, 13, 24,35 BTS 115/230V/1ph 12 or 22 Two Stage 5H0802730002 8 08, 11, 19, 22, 30, 33, 38, 11 or 21 Single Stage 5H0802740001 9 41, 42, 44, 49, 53, 55, 60, 208/230/460/575V/3ph 12 or 22 Two Stage 5H0802740002 10 64, 66, 71, 75, 77 02, 13, 24, 35, 46, 57 115/230V/1ph 11 or 21 Single Stage 5H0807160003 13 08, 11, 19, 22, 30, 33, 41, BTC 215-310 44, 52, 55, 63, 66, 74, 77, 208/230/460/575V/3ph 11 or 21 Single Stage 5H0807160004 14 80, 83, 84, 85 All propeller models (HD/HDS/PTP/PTS/PTC) are Power Code 01 for 115V/60Hz/1ph supply voltage only. To operate the unit on a supply voltage other than 115V/1ph, an accessory step down transformer is required. Refer to the latest revision of Literature #6-567 for instructions on properly wiring the unit heater and transformer. 150-400 All blower models (HDB/HDC/BTS/BTC) that are operated with a supply voltage other than 115V/1ph, an accessory step down transformer is required. Refer to the latest revision of Literature #6-567 for instructions on properly wiring the unit heater and transformer. Table 2.2 – Accessory Wiring Diagram Page Location Index 2 Model Accessory Page All Thermostat with Fan On/Auto Subbase Switching 15 All Thermostat without Fan On/Auto Subbase Switching and Summer/Winter Switch 15 All Wiring Multiple Single Stage Unit Heaters to a Single Thermostat 16 PTC Terminal Board Jumper Removal for Accessory Wiring 16 6-461.2 6-461.2 LIMIT CONTROL (SEE NOTE 5) Y PIN 6 PIN 5 Y C R W G Y WH R CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. LIMIT CONTROL PRESSURE SWITCH LOW VOLTAGE THERMOSTAT (BY OTHERS) CALL FOR FAN CALL FOR HEAT GAS VALVE O R TO "PARK" TERMINALS WH-NEUTRAL BK-HI BL-MED RED-LO FOR BLOWER MOTORS, ATTACH WIRES NOT USED: FLAME ROLLOUTS (SEE NOTE 6) 1 4 7 2 5 8 3 6 9 BL COM SEC N E U T R A L IND L1 L1 EAC PARK PARK UT LABEL IGNITION CONTROL SPARK IGNITOR FLAME SENSOR GND L2, (WH) R Y L1, (BK) BK WH SWITCH 24 120 PE MOTOR XFMR 5H0799630001 REV J COM FAN MOTOR 115V/60HZ/1Ø POWER CIRCUIT BREAKER (BY OTHERS) REFER NOTE 7 L2, (WH) L1, (BK) GR, (G) 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. USED ON PROPELLER MODELS 100 AND LARGER. 6. TWO SWITCHES: 30-75, ONE SWITCH: 100-125 NOT USED ON 150-400 UNITS. 7. OPTIONAL UNIT DISCONNECT SWITCH. NOTES TO INSTALLER: BK 115V Unit Power WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 3 4 6-461.2 Y LIMIT CONTROL (SEE NOTE 5) R 1 4 7 2 5 8 3 6 9 R TO "PARK" TERMINALS WH-NEUTRAL BK-HI BL-MED RED-LO FOR BLOWER MOTORS, ATTACH WIRES NOT USED: FLAME ROLLOUTS (SEE NOTE 6) L1 C COM 24V FS IND HEAT W2 R PARK UT LABEL PARK O G WH BL IGNITION CONTROL L2, (WH) R Y L1, (BK) BK BK WH SWITCH 24 COM XFMR FAN MOTOR 5H0799630002 REV J 120 PE MOTOR REFER NOTE 7 115V/60HZ/1Ø POWER L2, (WH) CIRCUIT BREAKER (BY OTHERS) L1, (BK) GND 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. USED ON PROPELLER MODELS 100 AND LARGER. 6. TWO SWITCHES: 30-75, ONE SWITCH: 100-125 NOT USED ON 150-400 UNITS. 7. OPTIONAL UNIT DISCONNECT SWITCH. NOTES TO INSTALLER: SPARK IGNITOR FLAME SENSOR 115V Unit Power W1 Y CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. LIMIT CONTROL PRESSURE SWITCH PIN 8 Y HI LOW VOLTAGE THERMOSTAT (BY OTHERS) CALL FOR FAN 1ST STAGE 2ND STAGE M COM COM WHITE ROGERS GAS VALVE WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 6-461.2 Y PIN 6 PIN 5 Y R LIMIT CONTROL (SEE NOTE 5) C R W G Y WH CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. LIMIT CONTROL PRESSURE SWITCH LOW VOLTAGE THERMOSTAT (BY OTHERS) CALL FOR FAN CALL FOR HEAT GAS VALVE 1 4 7 2 5 8 3 6 9 BL R ATTACH WIRES NOT USED TO "PARK" TERMINALS WH-NEUTRAL BK-HI BL-MED RED-LO FOR BLOWER MOTORS, O COM SEC N E U T R A L IND L1 L1 EAC PARK PARK UT LABEL IGNITION CONTROL SPARK IGNITOR FLAME SENSOR REFER NOTE 6 SWITCH L2, (WH) L1, (BK) R Y BK WH PE MOTOR 0 COM 1 XFMR FAN MOTOR 3 4 2 7 86 115V/60HZ/1Ø UNIT POWER CIRCUIT BREAKER (BY OTHERS) 5H0799630003 REV J 24 120 L2, (WH) L1, (BK) GND 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. USED ON PROPELLER MODELS 100 AND LARGER. 6. OPTIONAL UNIT DISCONNECT SWITCH. NOTES TO INSTALLER: BK 115V Unit Power WIRING DIAGRAM – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 5 6 6-461.2 Y LIMIT CONTROL (SEE NOTE 5) R 1 4 7 2 5 8 3 6 9 R ATTACH WIRES NOT USED TO "PARK" TERMINALS WH-NEUTRAL BK-HI BL-MED RED-LO FOR BLOWER MOTORS, L1 C COM 24V FS IND HEAT W2 R PARK UT LABEL PARK O W1 WH BL IGNITION CONTROL SPARK IGNITOR G Y CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. LIMIT CONTROL PRESSURE SWITCH PIN 8 Y HI LOW VOLTAGE THERMOSTAT (BY OTHERS) CALL FOR FAN 1ST STAGE 2ND STAGE M COM COM FLAME SENSOR 115V Unit Power REFER NOTE 6 SWITCH L2, (WH) L1, (BK) R Y L1, (BK) L2, (WH) GND PE MOTOR BK WH 24 120 0 COM 1 GND 5H0799630004 REV J XFMR FAN MOTOR 3 4 2 7 86 115V/60HZ/1Ø UNIT POWER CIRCUIT BREAKER (BY OTHERS) 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. USED ON PROPELLER MODELS 100 AND LARGER. 6. OPTIONAL UNIT DISCONNECT SWITCH. NOTES TO INSTALLER: BK WHITE ROGERS GAS VALVE WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS WIRING DIAGRAM – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 115V Unit Power GR, (G) L1, (BK) L2, (WH) GND FLAME SENSOR GAS VALVE 115V/60HZ/1Ø UNIT POWER CIRCUIT BREAKER (BY OTHERS) SWITCH HONEYWELL LABEL WH LOW VOLTAGE THERMOSTAT (BY OTHERS) PARK PARK PARK PARK G EAC/BLO EAC L1 L1 XFMR L1 IND IND N E U T R A L N E U T R A L W R PRESSURE SWITCH UT LABEL Y C PIN 5 Y 1 4 7 2 5 8 3 6 9 Y PIN 6 R 24VAC SEC COM COM 1 L2, (WH) O BL 7 8 6 BK IGNITION CONTROL REFER NOTE 7 L1, (BK) SPARK IGNITOR 0 3 4 2 FAN MOTOR PE MOTOR See note #6 for motor connections WH BK 120 COM XFMR 24 R R LIMIT CONTROL (SEE NOTE 5) Y >Disconnect relay power leads (#2 & #6) from 115V supply and connect 230V as shown. >All other unit power must be 115V as shown. >See note #6 for motor connections. 230V/60HZ/1Ø FAN CIRCUIT POWER CIRCUIT BREAKERS (BY OTHERS) 230V Fan/Blower Power Only CONTROL CIRCUIT MUST BE 115V POWER GND FLAME SENSOR GAS VALVE 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) SPARK IGNITOR HONEYWELL LABEL PARK PARK Y PARK PARK G EAC/BLO EAC L1 L1 XFMR L1 IND IND N E U T R A L N E U T R A L W R PRESSURE SWITCH UT LABEL C PIN 5 Y 1 4 7 2 5 8 3 6 9 Y PIN 6 R 24VAC SEC COM COM BK L2, (WH) O BL WH LOW VOLTAGE THERMOSTAT (BY OTHERS) 7 8 6 1 L1, (BK) IGNITION CONTROL 0 120 COM 24 R Y LIMIT CONTROL (SEE NOTE 5) CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. See note #6 for motor connections WH BK NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH ALL NATIONAL ELECTRIC AND LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. RELAY USED ON SINGLE PHASE MOTORS WITH LARGER AMP DRAWS. 6. UNIT IS SHIPPED WIRED FOR 115V. WHEN WIRING FOR 230V FOLLOW THIS DIAGRAM AND MOTOR WIRE LABELS FOR 230V. 7. OPTIONAL UNIT DISCONNECT SWITCH USED ON 115V UNITS ONLY. 6-461.2 3 4 2 FAN MOTOR PE MOTOR R LIMIT CONTROL L2, (BL) L1, (BK) XFMR 5H0802730001 REV A LIMIT CONTROL 7 WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS HONEYWELL GAS VALVE WHITE ROGERS GAS VALVE COM COM M 115V Unit Power LO COM FLAME SENSOR HI HI GR, (G) L1, (BK) L2, (WH) GND 115V/60HZ/1Ø UNIT POWER CIRCUIT BREAKER (BY OTHERS) SWITCH SPARK IGNITOR REFER NOTE 7 IGNITION CONTROL Y LOW VOLTAGE THERMOSTAT (BY OTHERS) UT LABEL G PARK W1 PARK W2 HEAT BK O WH L2, (WH) CALL FOR FAN 1ST STAGE 2ND STAGE 7 8 6 1 L1, (BK) BL 0 PE MOTOR L1 C 3 4 2 FAN MOTOR R See note #6 for motor connections IND PRESSURE SWITCH WH PIN 8 Y FS 1 4 7 2 5 8 3 6 9 Y GND 24V BK 120 COM XFMR COM 24 R R Y R LIMIT CONTROL (SEE NOTE 5) LIMIT CONTROL >Disconnect relay power leads (#2 & #6) from 115V supply and connect 230V as shown. >All other unit power must be 115V as shown. >See note #6 for motor connections. 230V/60HZ/1Ø FAN CIRCUIT POWER CIRCUIT BREAKERS (BY OTHERS) 230V Fan/Blower Power Only CONTROL CIRCUIT MUST BE 115V POWER L2, (BL) L1, (BK) GND FLAME SENSOR HONEYWELL GAS VALVE WHITE ROGERS GAS VALVE M LO SPARK IGNITOR COM COM COM 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) HI HI IGNITION CONTROL LOW VOLTAGE THERMOSTAT (BY OTHERS) O UT LABEL WH G PARK W1 PARK W2 HEAT L1, (BK) Y L2, (WH) CALL FOR FAN 1ST STAGE 2ND STAGE BK BL 7 8 6 1 0 PE MOTOR L1 C 3 4 2 FAN MOTOR R IND PRESSURE SWITCH See note #6 for motor connections WH FS 1 4 7 2 5 8 3 6 9 Y GND 24V BK COM 120 COM 24 R R LIMIT CONTROL LIMIT CONTROL (SEE NOTE 5) CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. 8 R Y NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH ALL NATIONAL ELECTRIC AND LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. RELAY USED ON SINGLE PHASE MOTORS WITH LARGER AMP DRAWS. 6. UNIT IS SHIPPED WIRED FOR 115V. WHEN WIRING FOR 230V FOLLOW THIS DIAGRAM AND MOTOR WIRE LABELS FOR 230V. 7. OPTIONAL UNIT DISCONNECT SWITCH USED ON 115V UNITS ONLY. 6-461.2 XFMR 5H0802730002 REV A PIN 8 Y 6-461.2 LIMIT CONTROL PRESSURE SWITCH LOW VOLTAGE THERMOSTAT (BY OTHERS) R 1 4 7 2 5 8 3 6 9 O R IND N E U T R A L IND N E U T R A L SEC L1 COM L1 L1 XFMR COM EAC EAC/BLO 24VAC PARK PARK PARK UT LABEL PARK HONEYWELL LABEL REFER NOTE 6 SWITCH CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. Y PIN 6 PIN 5 Y C R W G Y WH BL IGNITION CONTROL SPARK IGNITOR FLAME SENSOR BK GAS VALVE R Y L3 L2 L1 GND BK WH PE MOTOR 24 120 COM See note #5 for motor connections 3Ø Starter (By Others) 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) 3Ø/60HZ FAN CIRCUIT POWER CIRCUIT BREAKERS (BY OTHERS) L1, (BK) 5H0802740001 REV B L2, (WH) NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. MAKE MOTOR CONNECTIONS PER THE MOTOR WIRE DIAGRAM. 6. OPTIONAL UNIT DISCONNECT SWITCH. L2 T3 L3 FAN MOTOR T2 C XFMR T1 L1 WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 9 6-461.2 LIMIT CONTROL PRESSURE SWITCH Y 1 4 7 2 5 8 3 6 9 R L1 C COM 24V FS IND HEAT W2 R PARK UT LABEL PARK O G R WH BL IGNITION CONTROL SPARK IGNITOR FLAME SENSOR W1 Y HI COM LO REFER NOTE 6 SWITCH CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. PIN 8 Y HI LOW VOLTAGE THERMOSTAT (BY OTHERS) CALL FOR FAN 1ST STAGE 2ND STAGE M COM COM HONEYWELL GAS VALVE R Y L3 L2 L1 GND BK WH PE MOTOR 24 120 COM See note #5 for motor connections 3Ø Starter (By Others) 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) 3Ø/60HZ FAN CIRCUIT POWER CIRCUIT BREAKERS (BY OTHERS) BK WHITE ROGERS GAS VALVE 5H0802740002 REV B L1, (BK) 10 L2, (WH) NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. MAKE MOTOR CONNECTIONS PER THE MOTOR WIRE DIAGRAM. 6. OPTIONAL UNIT DISCONNECT SWITCH. L2 T3 L3 FAN MOTOR T2 C XFMR T1 L1 WIRING DIAGRAMS – MODELS HD/HDB, HDS/HDC, PTP, PTS/BTS 6-461.2 Y PIN 6 PIN 5 Y BL BK W CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. SINGLE STAGE, DIRECT SPARK IGNITION, 100% SHUT-OFF, MULTIPLE RETRY W/ AUTO RESET FROM LOCKOUT FAN MOTOR PRESSURE SWITCH OVERFLOW SWITCH GAS VALVE BL NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH FLAME THEIR RESPECTIVE POWER SOURCE. SENSOR 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. 5. FLAME ROLLOUT TO BE USED ON PTC UNITS 55/65/85/110 ONLY. R 1 4 7 2 5 8 3 6 9 GY R W BK BK UNIT LIMIT FLAME CONTROL ROLLOUT AUTO RESET SEE NOTE 5 C R W G Y O Y R 5H0807160001 REV K W BR W BK UT LABEL T2 F G T1 C V COM SEC N E U T R A L IND L1 L1 EAC PARK PARK LOW VOLTAGE THERMOSTAT (BY OTHERS) IGNITION CONTROL BR BLU GAS VALVE OPEN AMB CALL FOR HEAT R POWER GRN R R Y Y W W W BK BK SPARK IGNITOR 115V Unit Power BK W COM 115V/60HZ/1Ø POWER CIRCUIT BREAKER (BY OTHERS) L2, (WH) L1, (BK) GND (GR) XFMR 24 120 PE LIMIT CONTROL MANUAL RESET PE MOTOR WIRING DIAGRAM – MODEL PTC 11 12 6-461.2 CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. SINGLE STAGE, DIRECT SPARK IGNITION, 100% SHUT-OFF, MULTIPLE RETRY W/ AUTO RESET FROM LOCKOUT FAN MOTOR Y PIN 6 PRESSURE SWITCH PIN 5 Y BK BK W BL FLAME SENSOR OVERFLOW SWITCH VALVE NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT GAS WIRE 300V OR GREATER. W BR 1 7 8 6 RELAY 0 3 4 2 W R 1 4 7 2 5 8 3 6 9 UNIT LIMIT R CONTROL AUTO RESET C R W G Y BK R BL W BK O Y IGNITION CONTROL BR W GY W BK V C T1 COM SEC N E U T R A L IND L1 L1 EAC PARK PARK UT LABEL G F T2 BLU GAS VALVE OPEN AMB R CALL FOR HEAT POWER GRN R BR W R Y Y W BK BK SPARK IGNITOR 115V Unit Power LOW VOLTAGE THERMOSTAT (BY OTHERS) 5H0807160002 REV K BK W W W BK COM 115V/60HZ/1Ø POWER CIRCUIT BREAKER (BY OTHERS) L2, (W) L1, (BK) GND, (GR) XFMR 24 120 PE LIMIT CONTROL MANUAL RESET PE MOTOR WIRING DIAGRAMS – MODEL PTC IGNITION CONTROL FLAME SENSOR GAS VALVE PE MOTOR SPARK IGNITOR UT LABEL BL PARK W PARK L1 W L1 R IND 1 4 7 2 5 8 3 6 9 Y PIN 6 PRESSURE SWITCH W W W SEC 120 COM UNIT LIMIT R CONTROL AUTO RESET R COM 24 R LOW VOLTAGE THERMOSTAT (BY OTHERS) XFMR R Y Y Y BK PE LIMIT CONTROL MANUAL RESET BK N E U T R A L C PIN 5 Y BK BK W R GY W FAN MOTOR W RELAY 0 3 4 2 BK 1 7 8 6 BR BR POWER GRN W T1 CALL FOR HEAT BK C W BK V F GND, (GR) L2, (W) L1, (BK) T2 115V/60HZ/1Ø POWER CIRCUIT BREAKER (BY OTHERS) R AMB G GAS VALVE OPEN BLU W W BL BK FIELD - 230V Unit Power Conversion From 115V Base Unit IGNITION CONTROL FLAME SENSOR GAS VALVE PE MOTOR SPARK IGNITOR UT LABEL BL PARK W PARK Y OVERFLOW SWITCH BK G L1 W L1 R IND 1 4 7 2 5 8 3 6 9 Y PIN 6 PRESSURE SWITCH BK BK PE LIMIT CONTROL MANUAL RESET BK W N E U T R A L C PIN 5 Y BR EAC O W W SEC 120 COM COM UNIT LIMIT R CONTROL AUTO RESET R 24 R LOW VOLTAGE THERMOSTAT (BY OTHERS) XFMR R Y Y Y BK W R GY W RELAY 0 3 4 2 FAN MOTOR 1 7 8 6 BR NOTES TO INSTALLER: 1. ALL WIRING MUST COMPLY WITH NATIONAL ELECTRIC CODE AND ALL LOCAL CODES. 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. BK BR EAC O G 5H0807160003 REV K Y OVERFLOW SWITCH SINGLE STAGE, DIRECT SPARK IGNITION, 100% SHUT-OFF, MULTIPLE RETRY W/ AUTO RESET FROM LOCKOUT FACTORY - 115V Unit Power CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. WIRING DIAGRAM – MODEL BTC BK POWER GRN BR T1 W T2 BK W BK C F V G GND, (GR) L2, (W) L1, (BK) CALL FOR HEAT 230V/60HZ/1Ø FAN CIRCUIT POWER CIRCUIT BREAKER (BY OTHERS) R AMB GAS VALVE OPEN 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) BLU CIRCUIT PROTECTION (BY OTHERS) SEE NOTE 6 W BL W W BK BK 6-461.2 13 14 6-461.2 T1 T2 C L2 T3 L3 Y PIN 6 PIN 5 Y FAN MOTOR L1 PRESSURE SWITCH See note #5 for motor connections 3Ø Starter 115V COil (By Others) 115V/60HZ/1Ø CONTROL CIRCUIT POWER FROM STEP DOWN TRANSFORMER (BY OTHERS) L3 L2 L1 GND 3Ø/60HZ FAN CIRCUIT POWER CIRCUIT BREAKERS (BY OTHERS) OVERFLOW SWITCH GAS VALVE SENSOR BL BK W BL GY R W BK BK 1 4 7 2 5 8 3 6 9 UNIT LIMIT R CONTROL AUTO RESET C R W G Y Y R O W BR W BK UT LABEL V C T1 COM SEC N E U T R A L IND L1 L1 EAC PARK PARK LOW VOLTAGE THERMOSTAT (BY OTHERS) CONTROL 3Ø Unit Power NOTES TO INSTALLER: SINGLE STAGE, DIRECT SPARK IGNITION, 1. ALL WIRING MUST COMPLY WITH NATIONAL 100% SHUT-OFF, MULTIPLE RETRY ELECTRIC CODE AND ALL LOCAL CODES. W/ AUTO RESET FROM LOCKOUT 2. ALL COMPONENTS MUST AGREE WITH THEIR RESPECTIVE POWER SOURCE. 3. VERIFY THE POWER SOURCE 5H0807160004 REV K AND THE UNIT POLARITY. 4. USE TYPE 105°C REPLACEMENT WIRE 300V OR GREATER. FLAME IGNITION G F T2 BR BLU GAS VALVE OPEN AMB CALL FOR HEAT R POWER GRN R R Y Y W W W BK BK SPARK IGNITOR COM XFMR 24 120 PE LIMIT CONTROL MANUAL RESET PE MOTOR CAUTION: FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT IN INJURY TO THE INSTALLER OR USER. FOR DEVIATIONS CONTACT THE FACTORY. WIRING DIAGRAMS – MODEL BTC WIRING DIAGRAMS – THERMOSTAT & SUMMER/WINTER SWITCH Single Stage Thermostat & Summer/Winter Switch Wiring SUMMER/WINTER SWITCH & 1-STAGE ROOM STAT WITHOUT SUB-BASE FAN SWITCH 1-STAGE ROOM STAT WITH SUB-BASE FAN SWITCH MODELS HD/HDB, HDS/HDC, PTP, AND PTS/BTS 1-STAGE LOW VOLTAGE ROOM STAT WITH SUB-BASE SWITCHING (BY OTHERS) R W C MODEL PTC/BTC FAN OPERATION (BASED ON FAN SUB-BASE SWITCH): SWITCH = ON - CONTINUOUS SWITCH = AUTO - INTERMITTENT ON A CALL FOR HEAT 1-STAGE LOW VOLTAGE ROOM STAT WITH SUB-BASE SWITCHING (BY OTHERS) R G G TERMINAL BOARD ON UNIT HEATER T2 F G T1 C V W R C 1-STAGE LOW VOLTAGE ROOM STAT WITH NO SWITCHING (BY OTHERS) R FAN OPERATION: SUMMER - CONTINUOUS FAN WINTER - INTERMITTENT FAN ON A CALL FOR HEAT 1-STAGE LOW VOLTAGE ROOM STAT WITH NO SWITCHING (BY OTHERS) W C R SUMMER/WINTER SWITCH (BY OTHERS) FAN OPERATION: SUMMER - CONTINUOUS FAN WINTER - INTERMITTENT FAN ON A CALL FOR HEAT W C SUMMER/WINTER SWITCH (BY OTHERS) WINTER TERMINAL STRIP ON UNIT HEATER TERMINAL BOARD ON UNIT HEATER WINTER Y SUMMER G SUMMER W T2 F G T1 C V R C MODELS HD/HDB, HDS/HDC, PTP, AND PTS/BTS 2-STAGE ROOM STAT WITH SUB-BASE FAN SWITCH G TERMINAL STRIP ON UNIT HEATER Y Two Stage Thermostat & Summer/Winter Switch Wiring SUMMER/WINTER SWITCH & 2-STAGE ROOM STAT WITHOUT SUB-BASE FAN SWITCH W C FAN OPERATION (BASED ON FAN SUB-BASE SWITCH): SWITCH = ON - CONTINUOUS SWITCH = AUTO - INTERMITTENT ON A CALL FOR HEAT 2-STAGE LOW VOLTAGE ROOM STAT WITH SUB-BASE SWITCHING (BY OTHERS) R W1 W2 C FAN OPERATION (BASED ON FAN SUB-BASE SWITCH): SWITCH = ON - CONTINUOUS SWITCH = AUTO - INTERMITTENT ON A CALL FOR HEAT Notes on Thermostat and Summer/Winter Switch Wiring: Units are equipped as standard with a controller that activates the unit fan in either of the following ways: On a call for heat (thermostat closure between R & W terminals (W1 for 2-stage units) on the unit heater terminal strip (T1 & T2 on the external terminal board for model PTC/BTC units). The control automatically recognizes a call for heat as requiring fan operation. With switch closure between R & G terminals on the unit heater terminal strip (T1 & G on the external terminal board for model PTC/BTC units). The control recognizes this as an override to the fan control based on a call for heat and starts the fan. G TERMINAL STRIP ON UNIT HEATER G W1 W2 C R 2-STAGE LOW VOLTAGE ROOM STAT WITH NO SWITCHING (BY OTHERS) R C FAN OPERATION: SUMMER - CONTINUOUS FAN WINTER - INTERMITTENT FAN ON A CALL FOR HEAT The diagrams on this page are arranged as follows: 1. Single stage thermostat with a Fan On/Auto switch for fan control. 2. Single stage thermostat without a Fan On/Auto switch and a Summer/Winter switch for fan control. 3. Two stage thermostat with a Fan On/Auto switch for fan control. 4. Two stage thermostat without a Fan On/Auto switch and a Summer/Winter switch for fan control. W1 W2 SUMMER/WINTER SWITCH (BY OTHERS) TERMINAL STRIP ON UNIT HEATER WINTER G SUMMER W1 W2 C Note: A Summer/Winter switch used on these models does NOT require a control relay as was required on previous models. R NOTE: GENERIC ROOM STAT TERMINALS SHOWN. ACTUAL STAT MAY USE DIFFERENT TERMINALS AND/OR WIRING. PLEASE CONSULT WIRING INSTRUCTIONS FOR STAT FOR PROPER WIRING. 6-461.2 15 WIRING DIAGRAMS -- ACCESSORIES Wiring Multiple Single Stage Units to a Single Thermostat MODELS HD/HDB, HDS/HDC, PTP, AND PTS/BTS 1-STAGE LOW VOLTAGE ROOM STAT (NO SWITCHING) (BY OTHERS) TERMINAL STRIP ON UNIT HEATER #1 W R MODEL PTC/BTC 1-STAGE LOW VOLTAGE ROOM STAT (NO SWITCHING) (BY OTHERS) R TERMINAL BOARD ON UNIT HEATER #1 W Y G T2 F G T1 C V W R C 0 2 4 3 2 4 3 6 8 7 6 8 7 0 DPDT CONTROL RELAY (BY OTHERS) 2 4 3 2 4 3 6 8 7 6 8 7 1 DPDT CONTROL RELAY (BY OTHERS) 1 Y G W T2 F G T1 C V R C 0 2 4 3 2 4 3 6 8 7 6 8 7 DPDT CONTROL RELAY (BY OTHERS) 0 1 2 4 3 2 4 3 6 8 7 6 8 7 1 TERMINAL STRIP ON UNIT HEATER #2 TO ADDITIONAL UNIT/RELAY PAIRINGS (IF APPLICABLE) DPDT CONTROL RELAY (BY OTHERS) TERMINAL BOARD ON UNIT HEATER #2 TO ADDITIONAL UNIT/RELAY PAIRINGS (IF APPLICABLE) Notes on Wiring Multiple Single Stage Units to a Single Thermostat When two or more unit heaters are controlled by one thermostat, it is necessary to electrically isolate each unit by using relays. If relays are not used, feedback in the low voltage circuits can occur. This feedback may cause operational problems, damage the electrical components in the low voltage circuit, or cause burnout of the low voltage transformers. The figure above shows that the thermostat, powered from the terminal strip of unit heater #1 (UH-1), energizes the relay coil of the first relay (RE-1). When the RE-1 coil is energized, the first set of normally open (NO) contacts of that DPDT relay close and activate the gas controls of UH-1. The second set of normally open (NO) contacts on RE-1 are used to energize the relay coil of the second relay RE-2, powered through the terminal strip of UH-2. The first set of NO contacts on RE-2 close and activate the gas controls of UH-2. If a third unit is to be controlled from the same thermostat, a third relay RE-3 coil is wired to the second set of contacts on RE-2. This procedure is repeated for each additional unit which is to be controlled by the thermostat. Generally, there should be a quantity of DPDT relays that is one less than the quantity of heaters to be controlled. Accessory Wiring for Model PTC/BTC Units T2 F G T1 C V TERMINAL BOARD ON UNIT HEATER SEE NOTE BELOW FOR REMOVAL OF JUMPER BARS ACCESSORY ACCESSORY NOTE: FOR FIELD WIRED CONDENSATE PUMP AUX SWITCH AND/OR CONDENSATE DRAIN LINE SAFETY OVERFLOW SWITCH, REMOVE TERMINAL BOARD JUMPERS AS FOLLOWS: -FOR ONE ACCESSORY, REMOVE "T1" TO "C" JUMPER -FOR TWO ACCESSORIES, REMOVE "T1" TO "C" & "C" TO "V" JUMPERS FOR FURTHER INSTRUCTIONS, REFER TO THE LATEST REVISION OF INSTALLATION INSTRUCTIONS 6-585 FOR THE CONDENSATE PUMP AND/OR 6-586 FOR THE CONDENSATE DRAIN LINE SAFETY OVERFLOW SWITCH. Modine Manufacturing Company 1500 DeKoven Avenue Racine, Wisconsin, USA 53403-2552 Phone: 1.800.828.4328 (HEAT) www.modinehvac.com © Modine Manufacturing Company 2014