5 WIRE APT. AMPL./POWER SUPPLY
USE WITH HT3003 SER. HANDSETS REQUIRES SS106 TRANSFORMER (USE TU1007A FOR MULTI-ENTR.)
Manuals & Diagrams
HT3000 Series 2/3/5-Wire Handset Type Entry Intercoms
For 3 Wire NH201TVA or NH201TT Systems: see system Installation Manual: AWD011 for more complete wiring information.
For 3 Wire NH201TVA-2 Systems: see system Installation Manual: AWD109 for more complete wiring information.
For 5 wire NH200A Systems: see system Installation Manual: AWD013 for more complete wiring information.
Architects & Engineer's Specs
The power supply/amplifier shall be Alpha Communications® / S.T.R.™ (NH200A, NH201TVA-2, NH208TVU, or NH908A) or equivalent. Power supply shall operate from a 16VAC (30VA) U.L. Listed transformer (SS106 or T1640). All wiring to power supply/amplifier shall be low-voltage Class II wiring, installed as per all federal, state, and local electrical codes. Power supply/amplifier shall surface mount right to the finished wall and shall be installed in a suitable environment that is free from excessive dirt, dust, temperature, humidity, grease and water. Power supply/amplifier shall provide the intercom amplification and signalling power for the proper system operation. For most secure installation, power supply should be installed into a lockable equipment cabinet/housing. Power supply/amplifier shall be installed a safe distance from any source of electrical interference.
Contractor shall observe all national and local electrical and building codes.