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DO NOT
POWER-UP
YET
IMPORTANT START-UP INSTRUCTIONS FOR
DAIKIN INVERTER ComfortNet™
CONDENSING UNITS & HEAT PUMPS ONLY!
C23
R57
F5
F17
D25
U11
R60
R80
R61
R58
R72
C27
R62
C24
wire nut
R63
D26
F18
F19
F20
R64
R68
+
R69
C26
R
To Line Voltage.
Provide Over-Current
Protection.
R70
C28
F1
C29
C
D8
C31
NO
C
HEAT PUMP
OR
CONDENSING UNIT
C
2
1
R
Communicating
AIR HANDLER
OR
FURNACE
White
Yellow
Green
C
1
R
ZONE 2 OPEN
R12
K8 LED15
D12
IAQ RELAY
W2 / EMERGENCY
FAN
R41
R40
R79
1
3
C9
D20
C42
+
C32
F8
L2
2
C
Remove & connect the CTK04
thermostat directly to the HVAC
system as shown below.
R24
OAS
R25
R26
SAS
Perform the Initial System Test,
Verify Refrigerant Charge or
Pump the system down for
repairs!
When you’re done, re-connect the
CTK04 back to the Zone 1 T-stat
terminal block!
R109
R113
R115
U14
R110
R114
U15
R111
R116
U16
R46
ON
2
+
R118
C41
R45
R119
C43
R38
D18
R37
D17
1
CTK04
Communicating
Thermostat
R112
R43
HEAT / B
COMPRESSOR
F7
FB2
CONTROL SYSTEM
ZONE 1 OPEN
LED17
C8
F6
+ U17
D19
W
Y
G
R
®
LED16
R13
K9
D28
C
2
1
R
LED11
LED14
JMP1
U4
ZONE 3 OPEN
LED13
RC/RH
LINK
2
U3
LED10
R11
K7 LED12
D11
G
RH
S RC
Y
S C
T
E
M
C14
R
ONE
ZONE
R23
K6
R10 R8 R7 R6
D10
1
R83
D13
D14
C15
D15
D16
C16
D9
NC
Red
ZONE
Y1
R9
IAQ RELAY
SYSTEM
W2/E
W1/B
O
Y
Daikin Inverter
R76
C21
K5
Dedicated Field Supplied
Listed 24 vac transformer
40 va - 60va
R74
D27
Green
C
W/E
O/B
Y
R
G
IAQ R
R66
C25
C2
White
Yellow
C
2
1
R
U12
BIASING
C30
TERMINATION
SYSTEM CLIMATE TALK
RECEIVE DATA
R39
LED22
24v “R” wire is not required
on Daikin Inverter units only!
Connect 24v “Commons”
together, to insure proper
data line communication.
Temporary
wire cable
R
1 2 C
CTK04
Communicating
Thermostat
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726
800-446-3110 FAX 732-446-5362 E-Mail- [email protected]
Copyright © 07/15/2014
1. Connect the CTK04 thermostat directly to the HVAC system, as shown.
2. Power up the HVAC system. DO NOT power the UT3000.
3. Allow the CTK04 to find the HVAC system.
4. Perform the Initial SYSTEM TEST via the CTK04. (Refer to Daikin Installation)
5. Perform the Refrigerant CHARGE MODE via the CTK04. (Refer to Daikin Installation)
6. Perform a SYSTEM PUMP-DOWN to repair/replace components on the sealed system.
7. If desired, modify any other Advanced Menu items (Trim Settings, Cooling Profile, Heat Setup, etc).
** After these tasks are completed:
8. Disconnect the CTK04 from the HVAC System.
9. Connect the CTK04 to the Zone 1 Block.
10. Power up the UT3000 Zone Controller.
11. Allow the UT3000 to find the HVAC system.
12. Finish the Installation & Operate the Inverter in zoned mode.
13. Call EWC Technical Support if you have any trouble.