Download A.O. Smith One Heater One Pump Cert-Temp 80 with or w/o IID System Technical Documents

 WIRING DIAGRAMS
ZA. (0), SIVA MH] CER-TEMP 80 — ONE UNIT
HW-120M AND HW-160M
WITH OR WITHOUT IID SYSTEM
WITHOUT THERMAL BALANCER
BK TEMPERATURE
CIRCULATING | y CONTROL
PUMP | ÿ | BK Je
120 VAC
Li L2
HOT NEUTRAL
FUSED EN 4 X 4 JUNCTION BOX
DISCONNECT WITH TERMINAL
SWITCH ® ? STRIP (OPTIONAL)
| | À. O. SMITH ND. 55202
| | = == = FIELD WIRED
BK, | W TANK — FACTORY WIRED
|
"TERMINAL RED AND
YELLOW FLOW CLOSES
CIRCUIT
Y W
HW-200M THRU 670
STANDING PILOT AND IID SYSTEMS
AND THERMAL BALANCER
120 VAC 50/40 Hz
Ly(HOD, L(NEUTRAL) 4 x 4 JUNCTION BOX
FUSED WITH TERMINAL STRIP
a aa АНОННЕ > * CONNECT TO WHITE TRANSFORMER WIRE.
RMC ALT - nz ++ CONNECT To WHITE GAS VALVE WIRE.
| CIRCULATING THERMAL
; PUMP ® BALANCER
| « CONNECT TO BLACK TRANSFORMER WIRE.
(GND.) | o р г — +: CONNECT TO YELLOW WIRE. FROM
A | |3 LIMIT CONTROL DEVICE.
Co ed TT TT TT | В
STANDING PILOT
i
i TANK | **LLD. SYSTEM
| TEMPERATURE |
| , CONTRO ---- — — — FIELD WIRED
l I |
naaa J { + SAFETY FLOW SWITCH — FACTORY WIRED
L | A.OS. NO. 78168
Revised August 1996 (Reviewed October 1998) A 055.0
WIRING DIAGRAMS
CER-TEMP 80 — TWO UNITS
HW-200M THRU
WITH IID SYSTEM
(ONE PUMP)
120 VAC 50/60 Hz
L4(HOT), Lo(NEUTRAL) 4x 4 JUNCTION BOX
WITH TERMINAL STRIP
e e « CONNECT TO WHITE TRANSFORMER WIRE.
— ZZ = CONNECT TC WHITE GAS VALVE WIRE.
| CIRCULATING RMAL SEE RESPECTIVE UNIT DIAGRAM
PUMP Q ———— BALANCER UNIT #1 ror FACTORY INSTALLED WIRING.
| — « CONNECT Tô BLACK TRANSFORMER WIRE.
(GND.) | a FE «+ CONNECT TG YELLOW WIRE. FROM
A | | ; LIMIT CONTROL DEVICE.
— о = — -— u
| | PT |
TANK I
| TEMPERATURE 1. y 1010 — — — — FIELD WIRED
| | ONTRO Ny | po 13 FACTORY WIRED
| 1 | 1
Loc. LQ 0 L+4+- lO + SAFETY FLOW SWITCH
| | La A.O.S. NO. T8168 NOTE:
= — — = = = — = = = = = = = = — — —— у) DISCONNECT THE THERMAL
г Г BALANCER ON UNIT #2.
|
I I
| OO 4x4 JUNCTION BOX
ı | 1 WITH TERMINAL STRIP
| | poo _ + CONNECT TO WHITE TRANSFORMER WIRE.
| | | | +» CONNECT TO WHITE GAS VALVE WIRE.
|
|! ое a | THERMAL UNIT #2 SEE RESPECTIVE UNIT DIAGRAM
UN ~ + - — -| WI BALANCER FOR FACTORY INSTALLED WIRING.
Q a (DISCONNECTED)
I ~ e—e + - — —|
=“ > 2 ~—> - CONNECT ТО BLACK TRANSFORMER WIRE.
sai ° 1 «TT —— —| ФВ = CONNECT TO YELLOW WIRE. FROM
~ —_ + - — --B | LIMIT CONTROL DEVICE.
e Ir
|
——— | * STANDING PILOT
|
a
+ SAFETY FLOW SWITCH
A.O.S. NO. 78168
+ RED & YELLOW TERMINALS:
FLOW CLOSES CIRCUIT.
[2\a (0)e SIMA]
HW-670
> 1.1.D. SYSTEM
A)
A 056.0
O A. O. Smith Corp., 1996
Printed in U.S.A.