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

A.O. Smith One Heater One Pump Cert-Temp 80 with or w/o IID System Technical Documents
 FUSED
DISCONNECT
SWITCH
L3(GND.)
!
NOTE:
WIRING
BY FACTORY
———— BY INSTALLER
Sst DISCONNECT
BY INSTALLER
120 VAC 50/60 HZ
L4 (HOT) Lo (NEUTRAL)
+FLOW CLOSES CIRCUIT.
Aa O) ESA ALA
CIRCULATING
PUMP -
3
DISCONNECT THE THERMAL
BALANCERS ON UNITS #2
AND #3.
== seep see - LIMIT CONTROL DEVICE.
IA CL nula a a |
| T { _ |
ТАМК | dA | 1 |
TEMPERATURE | | po eNC |
CONTROL | | L 4 | eno |
| | Pop] de melo ms mal
[1 Là 1 С
| } 4 1 | +SAFETY FLOW SWITCH
| | t 1 A.O.S. NO. 78168
dus dass A - |
A | |
r=" Г иене ER =
| | 4 X 4 JUNCTION BOX
| { ı WITH TERMINAL STRIP
| | ро у еее a * CONNECT TO WHITE TRANSFORMER WIRE.
| | / ; + CONNECT TO WHITE GAS VALVE WIRE.
IL
|
| ~ 1 SEE RESPECTIVE UNIT DIAGRAM
II. 2 THERMAL UNIT #2
| > , Le. *W | BALANCER FOR FACTORY INSTALLED WIRING.
+= DISCONNEC
| Ft Free ey | _ TED} y CONNECT TO BLACK TRANSFORMER WIRE.
| | ow, 2} =e ** CONNECT TO YELLOW WIRE FROM
— р = — R |
L_ 1 er 1 Ta LIMIT CONTROL DEVICE.
a Ч ee LE Bias cnt -Ф В
| + |
ode |
= y | «№ |
a | | L — — A -NO I
| | — LA
| l 1 °С
| | +SAFETY FLOW SWITCH
| | | A.O.S. NO. 78168
| | DELETE UNIT #3 IF ONLY 2 UNITS
| | ARE DESIRED; WIRE ACCORDINGLY.
| | 4 X 4 JUNCTION BOX
| | | WITH TERMINAL STRIP
| 1 4 em æ * CONNECT TO WHITE TRANSFORMER WIRE.
| / Г ** СОММЕСТ ТО WHITE GAS VALVE WIRE.
L a
- = J 4} THERMAL UNIT #3 SEE RESPECTIVE UNIT DIAGRAM
i } ~ | SE ee <\W | BALANCER FOR FACTORY INSTALLED WIRING.
3 (DISCONNECTED)
a PE RA aio e Y — a= * CONNECT TO BLACK TRANSFORMER WIRE.
I ea BL] SR a * CONNECT TO YELLOW WIRE FROM
L E LIMIT CONTROL DEVICE.
Se. 1 3 |
“це Gp» = Te As — BB |
Te | |
| eNC i
Ie — — — -® № i
cain [mi il
°С
+SAFETY FLOW SWITCH
* 1.1.D. UNITS
** STANDING PILOT UNITS
CER-TEMP 80 WIRING DIAGRAM
FOR HW-200M THRU HW-670
WITH OR WITHOUT IID SYSTEM
(SINGLE CIRCULATOR SYSTEM)
4 X 4 JUNCTION BOX
WITH TERMINAL STRIP
TL —е * CONNECT TO WHITE TRANSFORMER WIRE.
THERMAL ** CONNECT TO WHITE GAS VALVE WIRE.
, BALANCER
1 SEE RESPECTIVE UNIT DIAGRAM
ii ke o UNIT #1 FOR FACTORY INSTALLED WIRING.
-
—
a it,
== === === e == — =
_ * CONNECT TO BLACK TRANSFORMER WIRE.
a ** CONNECT TO YELLOW WIRE FROM
A.O.S. NO. 78168
CONNECTION DIAGRAM
NOTE: IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED WITH THE APPLIANCE, MUST BE REPLACED,
IT MUST BE REPLACED WITH TYPE 105°C WIRE OR ITS EQUIVALENT, EXCEPT FOR THE FLAME
SENSOR AND IGNITION CABLE (1.I.D. UNITS ONLY) WHICH ARE 250°C AND WIRES CONNECTED
TO THE COIL PROTECTOR WHICH ARE 200°C.
January 2008R
A 057.0
CER-TEMP 80 WIRING DIAGRAM
FOR HW-670 /A\. (0) SIVA TE]
WITH IID SYSTEM
THERMAL 4 X 4 JUNCTION BOX CIRCULATING
BALANCER WITH TERMINAL STRIP PUMP
(PUMP DELAY) (OPTIONAL) A. O. SMITH
SAFETY FLOW NO. 98202
SWITCH
YELLOW |
HEATER NC C* NO Y | Nu
JUNCTION 000 | í
= HH, gen i |r
L —_r0— OA FTE
30 me n= вый) sy па RED OQ _L |.
ES —— No | R |
20- 7 | и” WHITE a L В -ф | FUSED
10 7 ld N | DISCONNECT
| ee 5 E | | SWITCH
| RD _ 77 | SERVICE | | + L1
rm oe В | SWITCH = 120
= | ware __ Loa le VAC
| | “ | | | La
La — — ——]]— À
20- | || | (NEUTRAL)
30+— —— трое о — — = | | |
bo |
HEATER
JUNCTION О © Ô | sAFETYFLOW | |
BOX BL Y* R | SWITCH |
| |
a
* TERMINAL RED AND YELLOW, ' | |
FLOW CLOSES CIRCUIT | |
bod
on
THERMAL 4 X 4 JUNCTION BOX CIRCULATING | | |
PUR OEL WITH TERMINAL STRIP PUMP | \ |
SAFETY ELGW (OPTIONAL) A. O. SMITH |
SWITCH \ NO: 962072 | || |
YELLOW | |
HEATER BL YŸŸR SY PR. AU |
JUNCTION 000 | = pol ||
BOX batt Lie BLACK {1 | |
| f O —C m Ино EEE ED VE AED cam mms |
- — — — ----7 RED . \Ц w | | |
cr cs mt a a À ]
| | | 7 WHITE Y 1 || |
/ |! | |
| | — - | | |
7 /
| oF 27 q | | |
d | _WHITE > | SERVICE | |
da Ni re == SWITCH |
od — т ak | à a
HEATER - | | | |!
JUNCTION 004d SAFETY FLOW | | | |
BOX BL Y* R | SWITCH | || | |
| | | BLACK |
WIRING L_ 1 __ — HUE — je
— — — — — BY INSTALLER \_ _ __ RED |
A 058.0 © A. O. SMITH CORP. 2002 Printed in the U.S A.
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