Installation-Wiring
36 WATLOW Series 1500 User's Manual Installation - Wiring, Chapter 3
!
Fig. 15 -
Event Output,
Remote Hold Input
and Event Input
Connections for
Dual Solid State
Relay Version

Event Input/Output, 0.5 Amp Solid State Relay

Event outputs can
be powered by a line
(up to 240VAC)
independent of the
control input. The
event outputs can
conduct up to 0.5A
each.
NOTE:
Model # 150_ - _ _ _ 1 - _ _ _0
!
! CAUTION:
Fuse event outputs
properly. Failure to
do so could cause
damage to your
equipment and
property.

Temp & RH Control Output, Power Supply Input,

0.5 Amp Solid State Relay

Figure 16 -
Power Supply Input,
Temp. & RH Output
Connections for
Dual Solid State
Relay Version
NOTE:
The control power
outputs for each
channel can be
powered by inde-
pendent 115VAC or
230VAC lines.
CH-2, Event 4 Load
CH-2, Event 3 Load
CH-2, Event 2 Load
CH-2, Event 1 Load
CH-1, Event 4 Load
CH-1, Event 3 Load
CH-1, Event 2 Load
CH-1, Event 1 Load

13

14

15

16

17

18

19

20

21

22

23

24

Remote Hold Input
Event Input
Digital Common
Event Common
CH-1, Heat Load
CH-1, Cool Load
CH-2, Humidify or Heat Load
CH-2, De-humidify or Cool Load
Not Used
Power
See Figure 17 (next page)
L
L
L
2
L
2
25
26
27
28
29
30
31
32
33
34
35
36
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