Data Sheet for Product

Siemens Industry, Inc. Page
3
Unit Conditioner Controller
Specifications
Dimensions 4-1/8" W × 7-3/4" L × 1-1/2" H
Weight approx. 3 lbs (1.35 kg)
Controlled Temperature
Accuracy, Heating or
Cooling
±1.5°F (0.9°C)
Power Requirements
Operating Range 24 Vac +/-20%, 50 or 60 Hz
Power Consumption 3 VA (plus 6 VA per DO), 60 VA
max.
Inputs
Analog 1 room temperature sensor
1 setpoint (optional)
1 auxiliary temperature sensor
(10K or 100K Ω thermistor)
Digital 2 dry contacts
Outputs
Analog N/A
Digital 6 DO 24 Vac optically isolated
solid state switches @ 0.25 amp
Communications
Remote BACnet MS/TP (EIA 485), 9600
bps to 76800 bps FLN Trunk
Local WCIS and PTEC Tool
Ambient Conditions
Shipping & Storage
Temperature
-13°F to 158°F (-25°C to 70°C)
Operating Temperature 32°F to 122°F (0°C to 50°C)
Humidity Range 5% to 95% rh (non-condensing)
Agency Listings
UL Listing UL 916, PAZX, UL 864, UUKL
cUL Listed Canadian Standards C22.2 No.
205, PAZX7
FCC Compliance 47 CFR Part 15
BTL Listed as a B-ASC device
Product Ordering Information
Description
Product Part
Number
Smoke Control Listed Siemens BACnet
PTEC Unit Conditioner Controller, UUKL.
550-433PKA
Small enclosure for electronic controller
without damper actuator (short board).
540-155K
UL Listed Class 2 transformer with
120/240/277/480 Vac 50/60 HZ 0.4A
primary w/ hub and 24 Vac 50 VA
secondary w/ hub and circuit breaker.
TR50VA004
UL Listed Class 2 transformer with
120/240/277/480 Vac 50/60 HZ 0.5A
primary w/ hub and 24 Vac 96 VA
secondary w/ hub and circuit breaker.
TR100VA004
UL Listed Class 2 Transformer with
primary 120V 60 HZ 0.2A secondary 24
Vac 30 VA.
KELE AM-2483-
OA