Download Keston K50 Installation Manual

WD50/2/1997
The Keston 50, 60 & 80 Condensing Boilers
ILLUSTRATED WIRING DIAGRAM
ILLUSTRATED WIRING DIAGRAM
59PK
RAM
Control
d
52BK
56R
1
2
3
4
5
6
7
53W
Flow High
Limit Stat
Gas Valve
10BK
55BR
Air Pressure Switch
54G
91OR
Ignition Electrode
Flue Overheat Stat
11W
BR
B
Y-G
6W
9G
ON/OFF
SWITCH
Run
Lamp
90R
c
FILTER
Lockout
Lamp
90OR
N
L
E
W
5BR
4B
12V
7W
5R
12
11
10
9
8
7
6
5
4
3
2
1
8
95G
92OR
93OR
Low Water Pressure Switch Gas Low
Pressure Switch
9
10
Blower
Installation & Servicing Instructions
Page : 34
93R
5R
Thermal Fuse
Overheat Stat
Boiler Stat
51OR
5.6
Chapter 5 : Fault Finding