N3
T3
N2
T2
N1
T1
NN
TN
E3
E2
E1
EN
22
21
20
32
31
30
16
15
20
B1
21 22
CCN
32 31 30
E1,2,3,N - EMERGENCY LINE
T1,2,3,N - LOAD
N1,2,3,N - NORMAL LINE
SWITCHED NEUTRAL OR
SOLID NEUTRAL IF REQUIRED
CR
CR
T
B1 B2 B3
CR
C
NC
NO
U
P1
CCN
23
23A 23B 23C
23Z
28
26
28Z
29
J1
J2
J3
J4
J7
CCN - �POWER RELAY, ENERGIZES TRANSFER
TO NORMAL SOLENOID
W
RT
W -� TIME DELAY TO EMERGENCY
RT EMERGENCY CONTROL RELAY
CCE - �POWER RELAY, ENERGIZE
VFSM- �EMERGENCY VOLTAGE AND
FREQUENCY SENSING RELAY
VFSM
L2
27
RT
J5
T
U
25Z
P1
ENGINE START CONTACT FROM P1
LEGEND
WIRE CONNECTION
WIRE ON MAIN TERMINAL BLOCK
WIRE ON DISCONNECT PLUG
OPTIONAL ACCESSORY
A4
NORMAL
SN
A3
EMERGENCY
MECHANICALLY ACTUATED
NORMAL AND EMERGENCY
POSITION CONTACTS A3 & A4
B2
B3
CE - �TRANSFER TO EMERGENCY SOLENOID
CN -�TRANSFER TO NORMAL SOLENOID
DS - �DISCONNECT SWITCH FOR SERVICE
XN - NORMAL CONTROL TRANSFORMER
XE - EMERGENCY CONTROL TRANSFORMER
UNDER VOLTAGE RELAYS
COM
TS
YN
J8
J6
J9
CR
33Z
37
W
RT
J10
25 24
C
NC
NO
CCE
36
L1
35Z
SE
J11
35 34
33Y
VFSM
33A
33
RT
38
RT
CR
12A
13
11
12
T - � TIME DELAY ON RETRANSFER
CR - � CONTROL RELAY
YN - � PUSH BUTTON TO BYPASS T
L2 - � NORMAL POSITION LIGHT
U - � ENGINE OVER-RUN TIMER
P1 - � TIME DELAY TO ENGINE START
SN - � MECHANICALLY ACTUATED CONTACTS
(NORMAL POSITION)
SE -� MECHANICALLY ACTUATED CONTACTS
(EMERGENCY POSITION)
L1 -� EMERGENCY POSITION LIGHT
CN
206 209
CCE
CE
306 307
DS
NOTE - ZTSH SHOWN IN NORMAL POSITION WITH NO POWER AVAILABLE
NN EN
14
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