The information contained herein is believed to be reliable, but no representations, guarantees, or warrantees of any kind are made as
to its accuracy, suitability for particular applications or the results to be attained therefrom. Before using, the user shall determine
suitability of the information for user’s intended use and shall assume all risk and liability in connection therewith. To the extent
permitted by law, REHAU DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE.
INSTRUCTIONS
REHAU PD1 AND PD2 THERMOSTAT
Table of Contents
Specifications
..............................................................................................................................................................1
Display / Keypad Operation
......................................................................................................................................2
General
.........................................................................................................................................................................2
Sequence of Operation
..............................................................................................................................................4
Installation
....................................................................................................................................................................6
View Menu
...................................................................................................................................................................8
Adjust Menu
.................................................................................................................................................................9
Error Messages
.........................................................................................................................................................15
Wiring Examples
.......................................................................................................................................................17
Specifications
Programmable Thermostat PD1 One Stage Heat Art. 236457
Control — Microprocessor PI control; This is not a safety (limit) control.
Packaged weight — 0.46 lb. (210 g), Enclosure J, white PVC plastic.
Dimensions — 2-7/8” H x 2-7/8” W x 13/16” D (73 x 73 x 21 mm)
Approvals — CSA C US, meets ICES & FCC regulations for EMI/RFI.
Ambient conditions — Indoor use only, 32 to 122°F (0 to 50°C), < 90% RH non-
condensing.
Power supply — 24 V ±10% 60 Hz 3 VA
Relays — 24 V (ac) 2 A, Latching
Sensors — NTC thermistor, 10 k
@ 77°F (25°C ±0.2°C) ß=3892
Optional — REHAU #: 070, 071, 072, 073, 079.
Programmable Thermostat PD2 Two Stage Heat / Heat-Cool Art. 236467
Control — Microprocessor PI control; This is not a safety (limit) control.
Packaged weight — 0.46 lb. (210 g), Enclosure J, white PVC plastic
Dimensions — 2-7/8” H x 2-7/8” W x 13/16” D (73 x 73 x 21 mm)
Approvals — CSA C US, meets ICES & FCC regulations for EMI/RFI.
Ambient conditions — Indoor use only, 32 to 122°F (0 to 50°C), < 90% RH non-
condensing.
Power supply — 24 V ±10% 60 Hz 3 VA
Relays — 24 V (ac) 2 A, Latching
Sensors — NTC thermistor, 10 k
@ 77°F (25°C ±0.2°C) ß=3892
Included — None
Optional — REHAU type #: 070, 071, 072, 073, 079.