Specifications

RDNO ATHLETIC PARK
AMENITIES BUILDINGS
WE File No.029042.00
May 30, 2014
29 | P a g e
40.2 Control system shall be an electronic system. The system architecture shall utilize
intelligent distributed control modules, located at each piece of equipment, which will
communicate on a peer to peer LAN trunk.
40.3 The system shall provide direct digital control, energy management and building
automation for the heating, ventilating and air conditioning systems based upon heating
and cooling demands as per the sequence of operations described herein.
40.4 The installation shall be performed by Contractors specializing in this type of control
system installation and setup.
40.5 The Contractor shall be responsible for the following items:
.1 All conduit and wiring for the low voltage control system.
.2 Supply of control valves and external control dampers and operators to the
Mechanical Contractor.
.3 All programming, commissioning and tuning of the complete control system.
.4 Shop drawings, as-built diagrams and operating manuals.
.5 Demonstration and instruction for the Owner.
40.6 Space Temperature Sensor
.1 Sensors shall be thermistor type.
40.7 Pump Status Indication
.1 Water flow switch shall have stainless steel paddles.
40.8 Air Handling Unit Status Indication
.1 Adjustable setpoint current sensing relay.
40.9 Control Dampers
.1 Low leakage outside air damper c/w side seals and edge seals.
40.10 Damper Actuators
.1 Gear drive direct coupled with spring return electronic actuators sized for a minimum
of 15% excess torque for the damper area controlled.
41 CONTROLS SEQUENCE OF OPERATION
41.1 Washroom Building Control
.1 General:
.1 The Washroom system consists of the following major components:
.1 Make Up Air Unit MUA-1.
.2 Exhaust Fans EF-1, EF-2
.3 Temperature Sensors (averaging mode)
.4 Outdoor air damper
.5 Condensing unit CU-1
.2 Operation:
.1 Unoccupied Mode:
.1 During unoccupied mode:
.1 The Make Up Air (MUA-1) unit shall normally be off.
.2 The Control Damper CD-1 shall be closed.
.3 Exhaust fans EF-1 and EF-2 shall be off.
.4 When the washroom areas require heating during unoccupied mode (as sensed
by the averaging sensors):