P-K Storm
TM
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: October 2, 2019
Released: October 2, 2019
Patterson-Kelley 2019
All Rights Reserved.
2691000099 P-K Storm Installation and Owners
Manual.docx
Page 67
Terminal Block Assignments
— High Voltage (TB2) Terminal Block
STORM
Label
Description
25
MASTER ALARM RELAY
Normally-Open Dry Contact, Close on Alarm
(120VAC Max Voltage & 1/2Amp Max Current)
24
MASTER ALARM RELAY
23
RELAY A
User-Configurable Normally-Open Dry Contact A
(120VAC Max Voltage & 1/2Amp Max Current)
22
RELAY A
21
RELAY B
User-Configurable Normally-Open Dry Contact B
(120VAC Max Voltage & 1/2Amp Max Current)
20
RELAY B
19
RELAY C
User-Configurable Normally-Open Dry Contact C
(120VAC Max Voltage & 1/2Amp Max Current)
18
RELAY C
17
RELAY D
User-Configurable Normally-Open Dry Contact D
(120VAC Max Voltage & 1/2Amp Max Current)
16
RELAY D
N/A
GROUND
Ground Terminals for I/O Devices
15
GROUND
14
[120V+] AIR DAMPER
120VAC Pilot-Duty for Air Damper End Limit Switch
Contact Closure When Air Damper Proven Open
13
AIR DAMPER INTERLOCK
12
[120V+] AUXILIARY #1
Reserved for Future Use
11
AUXILIARY INPUT #1
10
9
8
START INTERLOCK #1
External Interlock Circuit #1
7
START INTERLOCK #1
6
START INTERLOCK #2
External Interlock Circuit #2 (In Series w/ #1)
5
START INTERLOCK #2
4
GROUND
G1 for 208-240VAC, Single phase, 60Hz
3
NEUTRAL
N1 for 208-240VAC, Single phase, 60Hz
2
HOT L2
L2 for 208-240VAC, Single phase, 60Hz
1
HOT L1
L1 for 208-240VAC, Single phase, 60Hz