tekmar Zone Expansion Module 325

Zone Expansion Module 325

Control Description The Zone Expansion Manager 325 is designed to simplify the wiring between tN4 thermostats and zone valves. The 325 has an internal transformer that supplies power to the tekmarNet®4 (tN4) thermostats and connected zone valves.

Literature	—	D 325, J 325, W 325
Control	—	Microprocessor PID control; This is not a safety (limit) control
Packaged Weight	—	2.95 lb. (1338 g)
Dimensions	—	3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm)
Approvals	—	CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
Ambient Conditions	—	Indoor use only, 32 to 122°F (0 to 50°C).
	—	RH equal to or less than 80% to 88°F (31°C), down to 50% from 104 to 122°F (40 to 50°C)
	—	Altitude <2000 m, Installation Category II, Pollution Category 2
Power Supply	—	Provided by interconnected Zone Manager
Transformer	—	24 V (ac) 8 VA Maximum
Zone Group Pump C Relay	—	0-10 V Minimum 2500 Ω
Combined Relay Load	—	115 V (ac) 5 A 1/4 hp, pilot duty 240 VA

Quick
links:

002 003 004 005 007 011 024 031 032 033 039 040 060 062 070 071 072 073 076 077 078 079 080 081 082 083 084 085 090 092 132 150 152 153 155 156 157 161 162 256 257 260 261 262 263 264 265 268 269 270 274 275 279 313 314 315 316 324 325 326 334 335 336 337 345 346 356 360 361 362 363 364 365 369 374 400 401 402 420 421 422 423 440 441 444 479 480 481 482 483 507 508 509 510 511 512 527 528 530 537 538 540 541 542 543 544 545 546 650 664 665 667 704 710 720 741

Literature

Control

Packaged Weight

Dimensions

Approvals

Ambient Conditions

Power Supply

Transformer

Zone Group Pump C Relay

Combined Relay Load