Bell & Gossett 10 001 247 R3 TechnoForce Package System - Manual (Page 19)

a) Check all of the power wiring connections and secure them as required.
b) Confirm with the owner/installing contractor if there are plans for any required
building automation or remote connections.
c) Inspect and/or install any customer remote terminations.
2. Make note of the design data supplied on the data label. The label is located on the
inside of the control panel door.
3. Use a volt meter to check the voltage on the incoming power terminals at the
disconnect.
4. Compare the voltage to the data on the nameplate.
Field install the supply water temperature sensor (constant speed units only)
1. Locate the sensor and connection wiring coiled in the panel.
2. Uncoil and feed the sensor through the back of the panel through a hole.
3. Install the sensor on the suction-water supply pipe as far from the header as possible.
4. Tape the sensor to the piping in such a manner as to protect the sensor and wiring
from damage.
5. Insulate the sensor with foam or fiberglass in order to prevent sensing ambient
temperature.
Connect the storage tank
DANGER:
Explosion hazard. Prevent tank explosion. Do not install the tank when the system shut-off
pressure exceeds the tank pressure rating.
DANGER:
Explosion hazard. Prevent tank explosion. Install a pressure relief valve on the tank inlet
with a set point no greater than tank rating.
1. Precharge the storage tank before you connect it to the system.
The air precharge needs to be 5 to 10 psi less than the system operating pressure.
2. If the storage tank has already been installed and not precharged, then disconnect
the system piping from the tank and equalize it to atmospheric pressure. If an isolation
valve and drain are provided, then use them.
3. Apply air pressure to the tank through the air charging valve and pressurize to field
conditions.
This needs to be equal to the NFSD restart pressure of 5 to 10 psi below the operating
pressure.
4. Reconnect the tank to the system piping. Tank should be installed on the discharge
side of the system.
Check for available suction water
1. Open all supply, discharge, and pump isolation valves. Also open any other package
valves.
2. Close the bypass valve if it is installed in the piping by others.
3. Inspect the capillary tubing from the pump discharge to the suction header:
a) Open the petcocks that feed the tubing.
b) Make sure that the plastic tubing does not touch any metal surface. Protect the
tubing with insulation in order to prevent abrasion where it can possibly touch
metal.
4. Use the pump vent plugs and/or the vent cocks on the main PRV in order to prove that
there is available water from the suction.
Commissioning, Startup, Operation, and Shutdown
TechnoForce and TechnoForce XLS Package System Mechanical Installation, Operation, and Maintenance
Manual 17