Junkers ZWC 24-3 MFA User Manual

4.1 ZWE 24/28-5 MFA/MFAE types
Fig. 13
4.1 Ignition transformer
6 Temperature limiter for heat exchanger
6.3 Temperature sensor for hot water
18 Central heating pump
32 Flame sensing electrode
33 Igniter electrodes
36 Temperature sensor in CH flow
52 Solenoid valve 1
52.1 Solenoid valve 2
56 Gas valve
68 Control solenoid
135 On-/Off-switch
136 Temperature control for CH flow
151 Fuse T 2,5 A, AC 230 V
153 Transformer
161 Link
226 Fan
228 Differential pressure switch
300 Code plug
302 Earth connection
310 Temperature control for hot water
312 Fuse T 1,6 A
313 Fuse T 0,5 A
315 Terminal block for programmer (EMS bus) and outside tem-
perature sensor
319 Terminal block for external limiter
328 Terminal block for AC 230 V Mains supply
328.1 Link
413 Flow meter (turbine)
463 Diagnostics interface
6 720 613 076-03.1O
230 V
9V/25 V
230V/AC
135
153
312
313
ST19
300
315
319
161
ST15
ST8
ST9
ST17
56
32
6
4.1
ST5
ST4
33
68
52
52.1
413
228
36
226
M
18
M
ST10
L
NLs
LR
328.1
328
302
151
+
–
A
F
136
310
463
6.3
RAS 5;3 ways
RAS 5;2 ways
Terminal
RAS 3 ways
20 | Electrial Wiring Diagrams
4 Electrial wiring diagrams
6 720 660 238 (2008/07)
20

Junkers ZWC 24-3 MFA Specifications

General

Brand	Junkers
Model	ZWC 24-3 MFA
Category	Boiler
Language	English