Baxi Slim HPS 1.80 Installer's Instructions page 50

2.6.2 Wiring diagram
"1.80-1.99" models
CONNECTOR SPARE PART CODES:
J1 code 6278669
J2 code 6278670
"1. 1 10" models
CONNECTOR SPARE PART CODES:
J1 code 6293511
J3 code 6293512
J4 code 6293510
KEY
IG Main switch
TC Regulation stat with
double contact
EA Ignition electrode
EV2 Gas valve coil
EV1 Gas valve coil
TA Room stat
R Lock out reset button
B Coil assembly
ER Sensing electrode
TS Safety stat
50
A Control box
TF Smoke stat
FA EMC filter
PI C.H. pump
PB D.H.W. pump
TEL Environment unit QAA70 type (optional)
SE External temperarure sensor (option)
SC Boiler immersion sensor QAZ21 type (optional)
SS D.H.W. tank immersion
sensor QAZ21 type (optional)
C RVA.222 control system connectors
(black - red - brown)
F Fuse (T 200mA)
TI Isolated transformer
(only for FR/NL)
PBY By-pass pump
TM Minimum temperature stat
NOTE: When not using the unit to connect up the
TA, remove the jumper from terminals 6-7.
When connecting the control system remove jum-
pers 4-5 and 11-12.
Connect up the pumps (PB-PI) as shown in the dia-
gram only if using the RVA 43.222 unit.
Fig. 6