Potterton Derwent Compact Plus - Page 26

POTTERTON COMMERCIAL PRODUCTS DIVISION SECTION 6
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
DERWENT COMPACT PLUS - CONDENSING
PAGE 23
Rheostat
2nd stage control
thermostat
AP1
P-CH
AP2
VMB2
VMB1
L
Fil bleu
Fil jaune/vert
P
TR2
ION
ZP
Air pressure switch 1st stage
Air pressure switch 2nd stage
1st step indicator light
2nd step indicator light
Boiler pump
Blue wire : neutral
Flame ionisation probe
Gas pressure switch
Yellow/green wire : earth
Live
Pump switch
ZSB
MST
TR1
TR
VSC
VSB
ZT
F1
TSB
DGAI
STB
TF
Burner reset
Safety mode thermostat
Flame failure indicator light
Mains indicator light
1st stage control
thermostat
Overheat indicator light
Burner test switch
Fuse
Burner control system
Safety burner thermostat
Overheat thermostat
Flue thermostat