SIEMENS ET 134-22 Low Temperature Detection Thermostat Instructions
Low Temperature Detection Cut-out and Alarm Thermostat
Technical Instructions
Document Number 155-016P25
April 12, 2018
Electrical Ratings
Table 1.
277V
Pole
Line-M2 (Main)
Number
Line-M1 (Auxiliary)
Motor
Rating
120V
208V
240V
120V
208V
240V
277 V
AC Full Load
Amps
16.0
9.2
8.0
6.0
3.3
3.0
AC Locked
Rotor Amps
96.0
16.0
55.2
9.2
48.0
8.0
36.0
6.0
19.8
6.0
18.0
6.0
AC Non-Ind
Amps
7.2
6.0
Pilot Duty-Both Poles
125 VA, 24 to 600 Vac
57.5 VA, 120 to 300 Vdc
Mounting and
Installation
General Guidelines
•
•
Locate the sensing element in the downstream side of the coil.
Locate the case and bellows where the ambient temperature is always warmer than
the setpoint.
•
•
•
Install the thermostat so that the reset button is readily accessible and the element
bellows points down.
Install as much of the bulb as possible in a horizontal plane. If too much of the bulb
is vertical, it will not operate properly.
Avoid sharp bends or kinks in the sensing element.
Large walk-in Ducts
(Figure 1)
1. Attach the mounting bracket to the thermostat with the two round head screws
provided.
2. Mount the two perforated steel strap hangers inside the duct with the wide part of
the hanger strap parallel to the air flow.
3. Drill a hole in the side of the duct. With the bulb still coiled, thread the bulb through
the hole using a rotary movement.
4. Mount the thermostat on the outside of the duct.
5. Carefully uncoil the bulb avoiding sharp bends or kinks in the sensing element.
6. Mount the bulb in a horizontal, serpentine manner, attaching the bulb to the strap as
shown in detail in Figure 1.
The installation is complete.
NOTE: For an alternate method of mounting, use coil clips (Part Number 356-115) in
the fins to hold the bulb in a horizontal, serpentine pattern.
Siemens Industry, Inc.
Page 3
| General | Details |
|---|---|
| Name | SIEMENS ET 134-22 Low Temperature Detection Thermostat Instructions |
| Make | SIEMENS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.1 MB |
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