85
110331-01 - 5/20
PHTM II
Installation, Operating & Service Instructions
Figur
e 20-2:
W
ir
ing Sc
hematic Dia
gr
am
2 GR
Ignition Electrode
X4
X5
26 RD
X6
BCC
7 BK
8 YE
11 BL 10 BR 9 BK
X2
Boiler Control
Board
T0.5A
T1.0A
T5.0A
T5.0A 250V Slow Blow, 5x20mm T1.0A 250V Slow Blow, 5x20mm T0.5A 250V Slow Blow, 5x20mm
Fuses
X1
6 RD 5 WH 4 WH 3 BK
2 GR 1 GR
34 OR
35 YE
33 Y/G
32 P/G
31 YE
30 P/G
29 PI
28 GY
27 GY
36 BL
25 R/G
X3
24 GY 23 BL 22 B/G
21 VI
20 V/G 19a PI 18a WH 17a BR
16 YE 15 Y/G
14 B/G 13 BL
40 OR/GY
10 GY 9 GY
39 PI
38 OR
8 BL 7 BK 6 WH 5 RD 4 Y/G 3 B/G 2 YE 1 BL
Line voltage field wiring
Ignitor - 250°C
Line voltage factory wiring size 18 AWG Type TEW/AWM stranded wire, 105°C
Low voltage factory wiring size 22 AWG Type TEW/AWM stranded wire, 105°C
Notes: 1. If any of the original wire supplied with the appliance must be replaced, it must be replaced with the same type shown or its equivalent. S'IL faut remplacer un fil quelconque d'origine fourni avec. 2. Install over-current protection in accordance with Authority Having Jurisdiction or, in the absence of such requirements, follow The National Electric Code, NFPA 70, and/or CSA C22.1 Electrical Code. Do not provide over-current protection greater than 15 Amperes. 3. Plugs P1 & P2 are shown in line on PCB's for clarity.
1
1
2 YE
1 BL
CES10
Gas Valve
4 Y/G 3 B/G
Remote Monitor
Connector
1
3
1
3
Model Key
Flue Temp.
Sensor
Supply Sensor
2
1
4
3
3
1
2
1
2
1
2
1
4
3
Low voltage factory wiring size 20 AWG Type TEW/AWM stranded wire, 105°C
2
38 OR
40 OR/GY
3
2
39 PI
9a GY
23 BL
22 B/G
21 VI
20 V/G
16 YE
15 Y/G
Return Sensor
DHW Sensor
D4
P3
DHW Flow
Sensor
RJ45
RJ45
From Previous Page
From Previous Page
From Previous Page
X7 MB1
1
2
3
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
X8-1
X8-2
MB2 & MB3
Wire Color Code BK - Black BL - Blue BR - Brown GR - Green GY - Gray OR - Orange PI - Pink RD - Red VI - Violet WH - White YE - Yellow R/G - Red W/Gray tracer B/G - Blue W/Gray tracer P/G - Pink W/Gray tracer V/G - Violet W/Gray tracer Y/G - Yellow W/Gray tracer OR/GY - Orange W/Gray tracer OR/WH - Orange W/White tracer GR/WH - Green W/White tracer BR/WH - Brown W/White tracer
MB2 D+ (A)
MB2 GND (C)
MB2 D- (B)
MB3 D- (B)
MB3 D+ (A)
Connection
Wire Color
OR/WH
OR
GR/WH
BR/WH
BR
PIN
1
2
3
7
8
X8-1, X8-2 Terminals
17 BR
19 PI
18 WH
20
Internal Wiring Diagrams
(continued)
